ISM PN 4.0 Black L-255 / W-125 Chromoly Rails Bike Seats As the edurance riding option

As the edurance riding option

developed using detailed analysis and input from medical experts

0 is nose-less and designed to remove pressure from soft tissue

Fully-Enclosed Sleeping Capacity

Superior modulation gives you the power you need

ISM PN 4.0 Black L-255 / W-125 Chromoly Rails Bike Seats As the edurance riding optionNEW for 2020! The ISM PN4. 0 is the newest offering in the Performance Narrow category of saddles. Similar in design to the award winning ISM PN3. 0, we increased the sit bone contact points 5mm to accommodate arange of pelvic body positions. Rider response told us some cyclists wanted a125mm saddle to allow for more relaxed pelvis tilt related to road and gravelcycling. Like the other PN saddles, the PN4. 0 offers superb thigh and hamstring